87 02 19 Installing and removing heating/air conditioning control · Unclipcover. Performing s

87 02 19 Installing and removing heating/air conditioning control Unclipcover. Performing system test 2. Unscrewfastening screws (2 ea.) and pull the heating/air conditioningcontrol out of 1. Connectand switchon the PorscheSystem the dashboard. Tester2. ( 2. Selectair conditioningand menuitem "System test". The following conditions must be observed for the system test: Vehicle speed < 10 km/h Enginestart detected and 10 seconds elapsed since engine start Terminal 15 supply voltage OK 438-97 5 Volt supply voltage OK 3. Disconnectthe plug connections. Engine temperature < 110 DC Note Outside temperature> 3 DC Basic adaptation to the system must be performed with a new heating/air conditioning control. This is indicated by flashing of the displays for approx. 5 to 10 seconds each time The following tests are performed: the ignition is switched on. Basic adaptation is performed during the system Display of all segments in the control module test. The drive motors are traversed across the entire range once The measured positioningtravel is subjected to a plausibilitytest and stored as a fault if necessary 87 02 19 Installing and removing heating/air conditioning control 87 -49 Printed in Germany -2, 1997 9968749